package cn.tedu.boot31.boot22.controller;

import cn.tedu.boot31.boot22.entity.User;
import cn.tedu.boot31.boot22.utils.DBUtils;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

@Controller
public class UserController {
    @RequestMapping("/reg")
    @ResponseBody
    public String reg(User user){
        System.out.println("user = " + user);
        //获取数据库连接
        try(Connection conn = DBUtils.getConn()){
           String sql = "insert into user values(null,?,?,?)";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1,user.getUsername());
            ps.setString(2,user.getPassword());
            ps.setString(3,user.getNick());
            ps.executeUpdate();

        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }

        return "注册成功";
    }

    @RequestMapping("/login")
    @ResponseBody
    public String login(User user){
        System.out.println("user = " + user);
        try(Connection conn = DBUtils.getConn()) {
            String sql = "select pasword from user where username=?";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1,user.getUsername());
            ResultSet rs = ps.executeQuery();
            if (rs.next()){
                String pw = rs.getString(1);
                if (pw.equals(user.getPassword())){
                    return "登录成功";
                }else {
                    return "密码错误";
                }
            }

        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
        return "用户名不存在";
    }
}
